Fedora 18 Update: openfst-1.3.3-1.fc18

updates at fedoraproject.org updates at fedoraproject.org
Sun Feb 17 03:31:31 UTC 2013

Fedora Update Notification
2013-02-08 16:20:04

Name        : openfst
Product     : Fedora 18
Version     : 1.3.3
Release     : 1.fc18
URL         : http://www.openfst.org/
Summary     : Weighted finite-state transducer library
Description :
OpenFst is a library for constructing, combining, optimizing, and
searching weighted finite-state transducers (FSTs).  Weighted
finite-state transducers are automata where each transition has an input
label, an output label, and a weight.  The more familiar finite-state
acceptor is represented as a transducer with each transition's input and
output label equal.  Finite-state acceptors are used to represent sets
of strings (specifically, regular or rational sets); finite-state
transducers are used to represent binary relations between pairs of
strings (specifically, rational transductions).  The weights can be used
to represent the cost of taking a particular transition.

FSTs have key applications in speech recognition and synthesis, machine
translation, optical character recognition, pattern matching, string
processing, machine learning, information extraction and retrieval among
others.  Often a weighted transducer is used to represent a
probabilistic model (e.g., an n-gram model, pronunciation model).  FSTs
can be optimized by determinization and minimization, models can be
applied to hypothesis sets (also represented as automata) or cascaded by
finite-state composition, and the best results can be selected by
shortest-path algorithms.

Update Information:

The opengrm-ngram and sphinxtrain builds are just to build against the new openfst library.  Upstream notes for the new version of openfst:
- Improved performance of PDT composition
- Memory-map support
- Fixed cross-FST serialization issues
- Fixed NGramFst? off-by-one issue
- farextract now allows one to specify a list of comma-separated keys, including key ranges

* Wed Feb  6 2013 Jerry James <loganjerry at gmail.com> - 1.3.3-1
- New upstream version

This update can be installed with the "yum" update program.  Use 
su -c 'yum update openfst' at the command line.
For more information, refer to "Managing Software with yum",
available at http://docs.fedoraproject.org/yum/.

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